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Calhoun County, South Carolina — public water systems

At a glance

11 active public water systems are filed under Calhoun County, South Carolina in EPA's SDWIS records, together reporting 6,171 people served. The largest is St Matthews Town of (Sc0910001), which reports serving 2,644 people. 3 are community water systems serving people where they live; the other 8 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.

Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

11

Population served

6.2K

Community systems

3

Groundwater share

100%

How does Calhoun County compare with other South Carolina counties?

Calhoun County has the 32nd-most active public water systems among the 58 counties listed for active South Carolina systems in EPA records; among the 46 with 3 or more systems, the median has 18. Its systems report 6,171 people served in total, the 44th-largest county figure in the state and 0.1% of the statewide total. The average system here reports serving 561 people, well below the South Carolina average of 3,511. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.

Where does Calhoun County's drinking water come from?

By primary water source, Calhoun County's active systems draw on groundwater (9, 82%) and purchased groundwater (2, 18%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 70% and 30% across South Carolina. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, St Matthews Town of (Sc0910001), draws primarily on groundwater.

What kinds of water systems operate in Calhoun County?

Calhoun County's active systems break down as 3 community systems (27%), 2 non-transient non-community systems (18%) and 6 transient non-community systems (55%). A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (82%) and local government (18%).

Water systems in Calhoun County

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Active public water systems in Calhoun County, South Carolina
#Water systemCountyPopulation servedTypeSource
1St Matthews Town of (Sc0910001)Calhoun2,644CommunityGroundwater
2Upper Calhoun/Belleville (0920001)Calhoun1,779CommunityGroundwater
3Upper Calhoun/Sandy Run (Sc0920002)Calhoun1,247CommunityGroundwater
4Devro-Teepak (Sc0930003)Calhoun185Non-transient non-communityPurchased groundwater
5Poplar Creek (Sc0960001)Calhoun100Transient non-communityGroundwater
6Scotchman 3886 (Sc0970910)Calhoun50Transient non-communityGroundwater
7Tri-County Electric Coop (0970901)Calhoun50Non-transient non-communityGroundwater
8Calhoun Hills Golf Complex (Sc0970875)Calhoun40Transient non-communityGroundwater
9Country Clear Inc. (Sc0973000)Calhoun26Transient non-communityPurchased groundwater
10Hickory Springs Bottling Inc. (Sc0973001)Calhoun25Transient non-communityGroundwater
11Sweetwater Lake (Sc0970800)Calhoun25Transient non-communityGroundwater

Calhoun County water systems: frequently asked questions

How many public water systems are in Calhoun County, South Carolina?

EPA's SDWIS records file 11 active public water systems under Calhoun County, South Carolina: 3 community systems (27%), 2 non-transient non-community systems (18%) and 6 transient non-community systems (55%).

Who supplies drinking water in Calhoun County, SC?

The largest community water systems filed under Calhoun County are St Matthews Town of (Sc0910001) (2,644 people served), Upper Calhoun/Belleville (0920001) (1,779 people served) and Upper Calhoun/Sandy Run (Sc0920002) (1,247 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.

Does Calhoun County's drinking water come from groundwater or surface water?

Of the 11 active public water systems in Calhoun County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, St Matthews Town of (Sc0910001), uses groundwater.

Where can I find a water quality report for Calhoun County?

Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 3 community systems are filed under Calhoun County, so the report to look for is the one from the system that supplies your address.

How can I check violations for a water system in Calhoun County?

Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.

More South Carolina water systems

About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Public water systems in Calhoun County, South Carolina”, https://aquacensus.com/water-systems/south-carolina/calhoun (data as of October 1, 2026).